Cricotopus pe

Form of unknown subgeneric placement: Langton, 1991

Diagnosis (n=1)
Exuviae 5.5mm long.
Cephalothorax: Cephalic tubercles absent; frontal setae 215µm long, situated between the antennal sheath bases. Thoracic horn 155µm long; ThR 8.0. Thorax extensively strongly granulate dorsally (087g.jpg).
Abdomen: Armament of tergite II extensive, resembling that on III. Length hook row 0.38 of width tergite II; hooks 114 (087f.jpg). Apical transverse bands of tergites III-VI composed of points. Armament of tergites III-V extending into the antero-lateral corners past the anterior adhesion marks; median and posterior transverse bands usually joined. Point patches absent on tergites VII and VIII. Five lateral setae on segment VIII.
Anal segment: Anal lobe ratio 1.9. Anal lobes without fringe. Anal macrosetae more or less equally strong, length 0.37x lobe length (087h.jpg).

Form keys out at Page 936: Orthocladiinae 347 Cricotopus of the Text Key.

(For more information see module IdentifyIt – file: Orthocladiinae).

Ecological notes
A small stream, Tayside Region, Scotland.